LIHIT LAB Smart Fit Pocket Folder A4 Size A-7589

You can classify and organize documents with the bellows pocket and carry them as they are. Comes with index stickers for convenient classification. Large A4/6 pocket that can hold A4 clear holder
 
Standard: A4
Size: 325mm x 18mm x 240mm
Number of sheets accommodated: 5 Compartments (6 Pockets)
Material: Cover/Pocket/Polypropylene, Band clasp/P. P. Resin, rubber band/polyester steel
 
If you turn the lid back and store it in your bag, you can easily put in and take out documents. Hold firmly with the band.